/***************************header********************************************/
#reg span{
font-size:12px;
margin-left:20px;
}

#search{
float:right;
width:400px;
height:75px;/*temp*/
/*background:#00CCCC;temp*/
}

#search form{
margin-top:20px;/*可以有各种方法给这个form定位，定到合适的位置以后，将background设为图片*/
float:right;
background:url(../images/search_box.jpg) no-repeat;
width:355px;
height:36px;/*让form的高度、宽度跟背景相适应*/
}

#search #input{
width:276px;
height:20px;
margin-left:6px;/*调节输入軭的高度和位置，让其跟背景图片相适应*/
margin-top:7px;
line-height:20px;/*line-height会把height撑大的*/
font-size:14px;
border:none;
outline:none;
}

#search #button{
width:67px;
height:26px;
background:transparent;
border:none;
cursor:pointer;/*让鼠标在上面变成小手*/
}

#nav{
float:left;
width:100%;
height:45px;/*temp*/
/*background:#00CCCC;temp*/
margin-top:10px;
}

#nav_left{
float:left;
width:21px;
height:45px;
background:url(../images/nav_gb.gif) no-repeat 0 -46px;
}

#nav_mid{
float:left;
width:938px;
height:45px;
background:url(../images/nav_gb.gif) repeat-x;
}

#nav_mid .selected{
background:url(../images/nav_gb.gif) repeat-x 0 -138px;
}

#nav_right{
float:left;
width:21px;
height:45px;
background:url(../images/nav_gb.gif) no-repeat right  -92px;
}

#nav ul li{
width:88px;
height:45px;
border-right:1px solid #0C75A0;
line-height:45px;
}

#nav ul li a{
font-size:18px;
font-weight:bold;
color:white;
}

#nav_shade{
width:100%;
height:6px;
background:url(../images/shade.jpg) repeat-x;
float:left;
}